.page-home {
  --home-sec-y: clamp(2.75rem, 7vw, 5.25rem);
}

/* ---------------- 首屏 ---------------- */
.page-home .hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--jiang-light);
  background:
    radial-gradient(115% 85% at 94% 2%, rgba(127, 212, 217, .30), rgba(127, 212, 217, 0) 58%),
    var(--cream);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4.5vw, 3.25rem);
  align-items: start;
}

.page-home .hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 46ch;
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jiang);
}

.page-home .hero__title {
  margin: .8rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.9vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--ink);
}

.page-home .hero__lede {
  margin: 1.3rem 0 0;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ink);
}

.page-home .hero__notice {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin: 1.7rem 0 0;
  padding: .85rem 1rem;
  background: var(--orange-sand);
  border: 2px solid var(--ink);
  box-shadow: var(--hard-shadow-sm);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .hero__notice-k {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  padding: .12rem .4rem;
  background: var(--orange);
  color: var(--paper);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.7rem;
}

/* 首屏视觉 */
.page-home .hero__visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(.8rem, 2vw, 1.15rem);
}

.page-home .metro {
  padding: .55rem .7rem;
  background:
    repeating-linear-gradient(90deg, rgba(47, 127, 134, .16) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(0deg, rgba(47, 127, 134, .16) 0 1px, transparent 1px 40px),
    var(--paper);
  border: 2px solid var(--ink);
}

.page-home .metro__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .metro__blocks rect {
  fill: var(--jiang-light);
}

.page-home .metro__blocks rect:nth-child(3),
.page-home .metro__blocks rect:nth-child(5) {
  fill: rgba(47, 127, 134, .20);
}

.page-home .metro__track {
  fill: var(--deep);
}

.page-home .metro__train > rect:first-child {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 2;
}

.page-home .metro__win {
  fill: var(--neon);
}

.page-home .metro__lamp {
  fill: var(--orange);
}

.page-home .hero__figure {
  margin: 0;
  position: relative;
  border: 2px solid var(--ink);
  background: var(--jiang-light);
  overflow: hidden;
}

.page-home .hero__figure-img {
  display: block;
  width: 100%;
  height: clamp(190px, 26vw, 330px);
  object-fit: cover;
  object-position: center;
}

.page-home .hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .4rem .8rem;
  background: var(--paper);
  border-top: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink);
}

/* ---------------- 章节通用 ---------------- */
.page-home .section {
  padding: var(--home-sec-y) 0;
  border-bottom: 1px solid var(--jiang-light);
}

.page-home .section--last {
  border-bottom: 0;
}

.page-home .sechead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem 1.75rem;
  padding-bottom: 1.1rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--jiang-light);
}

.page-home .sec-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  line-height: .82;
  letter-spacing: -.03em;
  color: var(--slate);
  opacity: .5;
  transition: color 180ms var(--ease), opacity 180ms var(--ease);
}

.page-home .section.is-current .sec-index {
  color: var(--jiang);
  opacity: 1;
}

.page-home .sec-title {
  margin: .35rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .sechead__lede {
  margin: .55rem 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------------- 01 入口卡片 ---------------- */
.page-home .entrygrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 2.6vw, 1.75rem);
  align-items: start;
}

.page-home .entrycard {
  display: flex;
  flex-direction: column;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--hard-shadow);
  transition: box-shadow 160ms var(--ease);
}

.page-home .entrycard:hover {
  box-shadow: 8px 8px 0 var(--ink);
}

.page-home .entrycard__media {
  border: 1px solid var(--ink);
  background: var(--jiang-light);
  overflow: hidden;
  margin-bottom: 1rem;
}

.page-home .entrycard__media img {
  display: block;
  width: 100%;
  height: clamp(130px, 20vw, 175px);
  object-fit: cover;
}

.page-home .entrycard__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--jiang);
}

.page-home .entrycard__title {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .entrycard__text {
  margin: .7rem 0 0;
  font-size: .925rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .entrycard__link {
  margin-top: auto;
  padding-top: 1.1rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--jiang);
  text-decoration: none;
  border-bottom: 1px solid var(--jiang);
}

.page-home .entrycard__link::after {
  content: " →";
  color: var(--orange);
}

.page-home .entrycard__link:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}

/* ---------------- 02 平台在做什么 ---------------- */
.page-home .factrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 3vw, 2.25rem);
}

.page-home .factrow p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-home .factrow__lead {
  font-size: clamp(1.05rem, 1.9vw, 1.2rem);
  line-height: 1.75;
  padding-left: 1rem;
  border-left: 3px solid var(--jiang);
}

.page-home .cadence {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--jiang-light);
}

.page-home .cadence__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem .9rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--jiang-light);
}

.page-home .cadence__k {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--jiang);
}

.page-home .cadence__v {
  font-size: .94rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .inlinelink {
  margin: 1.5rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .inlinelink a {
  color: var(--jiang);
  text-decoration: none;
  border-bottom: 1px solid var(--jiang);
}

.page-home .inlinelink a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}

/* ---------------- 03 更新流水 ---------------- */
.page-home .updategrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3.5vw, 2.5rem);
  align-items: end;
}

.page-home .updategrid .sechead {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .updatefig {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--jiang-light);
  overflow: hidden;
}

.page-home .updatefig img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 240px);
  object-fit: cover;
}

.page-home .updatefig__cap {
  padding: .5rem .8rem;
  background: var(--paper);
  border-top: 1px solid var(--jiang-light);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .track {
  display: flex;
  margin-top: clamp(1.5rem, 3.5vw, 2.4rem);
  border-top: 2px solid var(--ink);
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: .6rem;
  scroll-snap-type: x proximity;
}

.page-home .track__item {
  position: relative;
  flex: 0 0 min(76vw, 290px);
  padding: 1.9rem 1.4rem 1.2rem 0;
  border-right: 1px solid var(--jiang-light);
  scroll-snap-align: start;
}

.page-home .track__item:last-child {
  border-right: 0;
}

.page-home .track__item::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--cream);
}

.page-home .track__item--new::before {
  background: var(--orange);
  border-color: var(--orange-deep);
  box-shadow: 0 0 0 4px rgba(240, 116, 58, .2);
}

.page-home .track__date {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-home .track__title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.38;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .track__tag {
  display: inline-block;
  margin-top: .7rem;
  padding: .16rem .5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  background: var(--jiang-light);
  border: 1px solid var(--jiang);
  color: var(--deep);
}

.page-home .track__toggle {
  display: none;
  margin-top: .85rem;
  padding: 0 0 .1rem;
  background: none;
  border: 0;
  border-bottom: 1px solid currentColor;
  font: inherit;
  font-size: .8rem;
  color: var(--jiang);
  cursor: pointer;
}

.has-js .page-home .track__toggle {
  display: inline-block;
}

.page-home .track__body {
  margin-top: .7rem;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-home .track__body p {
  margin: 0;
}

.has-js .page-home .track__item .track__body {
  display: none;
}

.has-js .page-home .track__item[data-open] .track__body {
  display: block;
}

.has-js .page-home .track__item[data-open] .track__toggle {
  color: var(--orange-deep);
}

/* ---------------- 通栏横幅 ---------------- */
.page-home .banner {
  position: relative;
  margin: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--deep);
  overflow: hidden;
}

.page-home .banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 400px);
  object-fit: cover;
}

.page-home .banner__cap {
  position: absolute;
  left: clamp(1rem, 5vw, 3rem);
  bottom: clamp(.8rem, 3vw, 1.6rem);
  padding: .45rem .85rem;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--hard-shadow-sm);
  font-size: .85rem;
  line-height: 1.5;
  color: var(--ink);
}

/* ---------------- 04 规模指标 ---------------- */
.page-home .metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--jiang-light);
  border: 1px solid var(--jiang-light);
}

.page-home .metrics__item {
  margin: 0;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  background: var(--cream);
}

.page-home .metrics__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-home .metrics__value {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  margin: .6rem 0 0;
  flex-wrap: wrap;
}

.page-home .metrics__num {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4.2vw, 2.7rem);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--jiang);
}

.page-home .metrics__unit {
  font-size: .85rem;
  line-height: 1.5;
  color: var(--ink);
}

/* ---------------- 05 下一步 ---------------- */
.page-home .nextstep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.75rem);
  align-items: end;
}

.page-home .nextstep__copy .sec-index {
  display: block;
  margin-bottom: .7rem;
}

.page-home .nextstep__copy p {
  margin: 1rem 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-home .nextstep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-home .legalnote {
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--jiang-light);
  font-size: .85rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .legalnote a {
  color: var(--jiang);
  text-decoration: none;
  border-bottom: 1px solid var(--jiang);
}

.page-home .legalnote a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 640px) {
  .page-home .cadence__item {
    grid-template-columns: 6rem minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-home .sechead {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }

  .page-home .sechead .sec-index {
    grid-column: 1;
    grid-row: 1 / span 3;
  }

  .page-home .sechead .eyebrow,
  .page-home .sechead .sec-title,
  .page-home .sechead .sechead__lede {
    grid-column: 2;
  }

  .page-home .sechead .sec-title {
    margin-top: .25rem;
  }

  .page-home .entrygrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .factrow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .updategrid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
  }

  .page-home .nextstep {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-home .nextstep__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(2rem, 3.6vw, 3.75rem);
    align-items: stretch;
  }

  .page-home .hero__figure-img {
    height: clamp(230px, 22vw, 340px);
  }
}

@media (max-width: 480px) {
  .page-home .hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-home .metrics {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entrycard,
  .page-home .sec-index {
    transition: none;
  }
}
<<<END>>>